Home / 1,314,530.90-1,971,796.35-676,801.70

Finding the Fourth Proportional to 1,314,530.90, 1,971,796.35 and 676,801.70

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Solution

The fourth proportional to 1,314,530.90, 1,971,796.35 and 676,801.70 is: 1,015,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,530.90 : 1,971,796.35 = 676,801.70 : x
  2. Step 2: Convert to fraction form
    1,314,530.90/1,971,796.35 = 676,801.70/x
  3. Step 3: Cross multiply
    1,314,530.90x = 1,971,796.35 × 676,801.70
  4. Step 4: Simplify right side
    1,314,530.90x = 1,334,515,121,733.80
  5. Step 5: Solve for x
    x = 1,334,515,121,733.80/1,314,530.90
  6. Step 6: Final answer
    x = 1,015,202.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.